* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 2500px;
}

.w {
    width: 1000px;
    margin: auto;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
    color: white;
}

.header {
    position: relative;
    height: 420px;
    background: rgba(38, 173, 87, 0.5) url(../img/bg.png) no-repeat top center;
    background-size: 1000px 500px;
}

.header .logo {
    position: absolute;
    width: 55px;
    border-radius: 27px;
    top: 5px;
    left: 20px;
}

.top {
    float: right;
}

.top ul li {
    float: left;
    margin-right: 12px;
}

.top ul li a {
    display: block;
    height: 60px;
    padding: 0 13px;
    line-height: 65px;
    font-size: 16px;
}

.top ul span {
    height: 60px;
    padding: 0 10px;
    line-height: 66px;
    font-size: 15px;
    color: #050505;
}

.title {
    position: absolute;
    top: 170px;
    right: 58px;
    color: white;
    font-size: 51px;
    font-family: 黑体;
}

.plant,
.shop,
.build,
.person {
    margin-top: 70px;
}

.plant .one,
.shop .one,
.build .one,
.person .one {
    font-family: PingFangSC-Semibold;
    font-size: 24px;
    color: #434558;
    text-align: center;
    margin-bottom: 30px;
}

.plant .midarea {
    display: flex;
    flex-wrap: wrap;
    background-color: #f8f8f8;
    width: 100%;
    height: 370px;
    padding-top: 30px;
    position: relative;
}

.plant .midarea .item {
    display: flex;
    width: 25%;
    flex-direction: column;
    align-items: center;
}

.mid-logo {
    width: 210px;
    height: 170px;
    position: relative;
    background-color: #fff;
}

.mid-logo img {
    display: block;
    width: 96px;
    height: 96px;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    margin: auto;
}

.item span {
    color: #000;
    margin-top: 20px;
    font-family: PingFangSC-Medium;
    font-size: 17px;
    color: #434558;
    text-align: center;
}

.item .two {
    margin: 10px 20px;
    font-size: 14px;
    color: #81828e;
    line-height: 22px;
    text-align: justify;
}

.shop .midarea,
.build .midarea,
.person .midarea {
    background-color: #f8f8f8;
    width: 100%;
    height: 370px;
    padding-top: 30px;
    position: relative;
}

.shop .midarea img,
.person .midarea img {
    display: block;
    width: 266px;
    height: 226px;
    position: absolute;
    top: 70px;
    left: 80px;
}

.shop .midarea .txt,
.build .midarea .txt,
.person .midarea .txt {
    position: absolute;
    width: 400px;
    color: #000;
    margin-top: 20px;
    top: 110px;
    right: 100px;
    font-family: PingFangSC-Medium;
    font-size: 17px;
    color: #434558;
    line-height: 40px;
    text-align: justify;
}

.build .midarea img {
    display: block;
    width: 266px;
    height: 226px;
    position: absolute;
    top: 70px;
    right: 80px;
}

.build .midarea .txt {
    left: 100px;
}